version: '3.4'

services:
  portainer:
    image: portainer/portainer
    ports:
      - 9000:9000
    networks:
      - proxy
    volumes:
      - /var/run/docker.sock:/var/run/docker.sock
      - /srv/docker/portainer/data:/data
    deploy:
      mode: replicated
      replicas: 1
      labels:
        traefik.port: 9000
        traefik.frontend.rule: 'Host:portainer.midominio.com'
        traefik.docker.network: 'proxy'
      placement:
        constraints: [node.role == manager]
networks:
  proxy:
    external: true